Increasing Stress May Up Cancer Risk: Motivation to Move

Stressed out about your stress levels? Sometimes it’s a vicious cycle. Deadlines, bills, global warming…it seems there is a laundry list of things to feel stressed about.

The bad news: Now there’s evidence that stress can increase your risk of cancer.

In a study published in the April 16 online issue of the Proceedings of the National Academy of Sciences, mice that were restrained (a huge stressor) and then exposed to radiation developed more tumors than unrestrained mice that were exposed to radiation. The researchers found that a class of hormones called glucocorticoids was elevated in the restrained (stressed) mice. Glucocorticoids suppress  p53—a key protein that plays an important role in the prevention of tumors.

Here’s the abstract for the study.

The good news: There’s a “drug” for stress—exercise! Continue reading